feat: add compliant data connectors and lineage

- add authorized nine-source crawler connectors with security controls and packaged schemas
- add the school internship contract to the vendor data standard center
- add bidirectional campus data-to-report lineage with gap ownership and remediation

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

admin-tools/demo/app.js

@@ -804,6 +804,42 @@ const contracts = {
       ["质量阈值", "专业代码合法率100%，必填完整率≥95%，学生专业关联率≥98%。"],
     ],
   },
+  "school-internship": {
+    key: "SCHOOL-INTERNSHIP",
+    title: "校内实习事实数据标准",
+    version: "V2.1.0",
+    description: "统一学生实习岗位、企业、起止日期、状态、工资、岗位任务和评价事实，支持租户隔离和敏感身份最小化。",
+    schemaPath: "./schemas/school-internship.schema.json",
+    fields: 30,
+    required: 14,
+    owner: "平台数据标准委员会",
+    status: "生产已发布",
+    release: "2026-08-24",
+    compatibility: "兼容 V2.0，补充任务与评价证据",
+    fieldsPreview: [
+      ["tenant_id", "string", "是", "学校租户标识", "平台分配"],
+      ["internship_id", "string", "是", "实习业务编号", "租户内唯一"],
+      ["student_token", "string", "是", "学生不可逆令牌", "禁止明文学号"],
+      ["program_code", "string", "是", "专业代码", "教育部专业目录"],
+      ["enterprise_token", "string", "否", "企业统一标识", "令牌化"],
+      ["job_title", "string", "是", "实习岗位名称", "业务原文"],
+      ["job_tasks", "array<string>", "否", "实习岗位任务", "学校确认"],
+      ["start_date", "date", "是", "开始日期", "YYYY-MM-DD"],
+      ["end_date", "date", "否", "结束日期", "YYYY-MM-DD"],
+      ["status", "string", "是", "实习状态", "受控枚举"],
+      ["salary_monthly", "number", "否", "税前月实习工资", "元/月"],
+      ["evidence_reference", "string", "否", "校内证据引用", "不传附件"],
+      ["source_updated_at", "datetime", "否", "业务更新时间", "增量水位"],
+      ["content_hash", "string", "是", "业务内容哈希", "SHA-256"],
+    ],
+    rules: [
+      ["租户隔离", "任务、认证、水位、Raw、隔离区和输出目录均按 tenant_id 隔离。"],
+      ["身份最小化", "平台只接收 student_token，拒绝姓名、身份证、手机号、邮箱和明文学号。"],
+      ["企业要求", "进行中或已完成实习必须提供企业令牌或企业名称。"],
+      ["证据引用", "敏感附件保留在学校系统，平台只保存 evidence_reference。"],
+      ["增量幂等", "tenant_id + source_record_id + source_updated_at 形成增量与幂等边界。"],
+    ],
+  },
   "package-manifest": {
     key: "PACKAGE-MANIFEST",
     title: "数据交付包清单标准",